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公开(公告)号：US10323959B2
公开(公告)日：2019-06-18
申请号：US15528570
申请日：2015-01-29
申请人： Mark Anthony Howard , Darran Kreit
发明人： Mark Anthony Howard , Darran Kreit
摘要： An inductive position detector with a first and second body, at least one of said bodies being displaceable relative to the other along a measurement path wherein said first body comprises one or more antenna windings forming a first arrangement of windings and said second body comprises a passive resonant circuit incorporating one or more target windings in series with a capacitor; said circuit covering at least in part said first arrangement; characterized in that said first body comprises an additional winding arrangement disposed along at least part of said measurement path; said additional winding arrangement being spaced from said first arrangement of windings; and said second body comprises an additional winding arrangement covering at least in part said additional winding arrangement of said first body.
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公开(公告)号：US20150260549A1
公开(公告)日：2015-09-17
申请号：US14433252
申请日：2013-10-02
申请人： Darran KREIT , Mark Anthony HOWARD
发明人： Mark Anthony Howard
IPC分类号： G01D5/20
CPC分类号： G01D5/2066 , G01D5/147
摘要： An inductive detector for measuring the position of a first body relative to a second body along a measurement path comprises: a first body which comprises a substantially planar surface and a passive electromagnetic target; a second body which comprises a substantially planar surface facing the planar surface of the first body and an arrangement of laminar windings; said first and second body being configured such that the electromagnetic influence of the first body on the second body varies according to the position of the first body relative to the second body along the measurement path; wherein said passive electro-magnetic target comprises a first portion incorporating said planar surface and a second portion with a lower thickness than said first portion; whereby the second portion incorporates an insulating aperture.
摘要翻译： 用于沿着测量路径测量第一主体相对于第二主体的位置的感应检测器包括：第一主体，其包括基本平坦的表面和无源电磁目标; 第二主体，其包括面向所述第一主体的平坦表面的大致平坦的表面和层状绕组的布置; 所述第一和第二主体被配置为使得第一主体在第二主体上的电磁影响根据第一主体相对于第二主体沿测量路径的位置而变化; 其中所述无源电磁目标包括结合所述平面的第一部分和具有比所述第一部分低的厚度的第二部分; 由此第二部分包括绝缘孔。
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公开(公告)号：US08020453B2
公开(公告)日：2011-09-20
申请号：US11721769
申请日：2005-12-14
申请人： Darran Kreit , Mark Anthony Howard
发明人： Darran Kreit , Mark Anthony Howard
IPC分类号： G01L3/00
CPC分类号： G01D5/2073
摘要： A system to measure the displacement of relatively moveable bodies along an axis comprising: a resonant electrical intermediate device further comprising an inductor, whose width varies along the displacement axis, and a capacitor in electrical series which co-operates with an antenna comprising transmit and receive windings whose mutual inductance varies according to the position of the electrical intermediate device relative to the antenna.
摘要翻译： 一种用于测量相对可移动体沿着轴的位移的系统，包括：谐振电中间装置，其还包括电感器，所述电感器的宽度沿位移轴线变化;电容器，其电气系列与包括发射和接收的天线 互感器根据电气中间装置相对于天线的位置而变化的绕组。
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公开(公告)号：US20100045360A1
公开(公告)日：2010-02-25
申请号：US11721724
申请日：2005-12-14
申请人： Mark Anthony Howard , Darran Kreit
发明人： Mark Anthony Howard , Darran Kreit
CPC分类号： G01D5/2013 , G01D5/202
摘要： A device for measuring the position of a first body relative to a second body comprising: a first body which further comprises an electrical intermediate device; a second body which further comprises at least two inductors energised with an alternating current and at least one of which is formed by a planar spiral winding on a printed circuit board normal to the measurement axis and attached to the second body; arranged such that displacement of the electrical intermediate device causes a change in inductance of the planar spiral winding and whereby measurement of the ratio of the inductances indicates the position of the first body relative to the second.
摘要翻译： 一种用于测量第一主体相对于第二主体的位置的装置，包括：第一主体，其还包括电中间装置; 第二主体，其还包括至少两个由交流电激励的电感器，并且其中至少一个电感器由垂直于测量轴线的印刷电路板上的平面螺旋绕组形成并附接到第二主体; 布置成使得电中间装置的位移导致平面螺旋绕组的电感的变化，由此电感比的测量指示第一主体相对于第二主体的位置。
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公开(公告)号：US20090160789A1
公开(公告)日：2009-06-25
申请号：US12093251
申请日：2007-06-22
申请人： Darran Kreit , Mark Anthony Howard
发明人： Darran Kreit , Mark Anthony Howard
IPC分类号： G06F3/041
CPC分类号： G06F3/046 , H03K17/97 , H03K2217/96038
摘要： An apparatus for user interfaces is described to measure inductively the deformation of a body (1) comprising at least two laminar conductive elements (3, 4), at least one of which is an AC energized inductor (4), wherein deformation causes relative axial movement between the at least two laminar elements (3, 4) and the maximum deformation distance is limited to prevent damage.
摘要翻译： 描述了一种用于用户界面的装置，以感应地测量包括至少两个层状导电元件（3,4）的主体（1）的变形，其中至少一个是交流激励电感器（4），其中变形引起相对轴向 在至少两个层状元件（3,4）之间的移动和最大变形距离被限制以防止损坏。
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公开(公告)号：US10451443B2
公开(公告)日：2019-10-22
申请号：US14433252
申请日：2013-10-02
申请人： Mark Anthony Howard , Darran Kreit
发明人： Mark Anthony Howard
摘要： An inductive detector for measuring the position of a first body relative to a second body along a measurement path comprises: a first body which comprises a substantially planar surface and a passive electromagnetic target; a second body which comprises a substantially planar surface facing the planar surface of the first body and an arrangement of laminar windings; said first and second body being configured such that the electromagnetic influence of the first body on the second body varies according to the position of the first body relative to the second body along the measurement path; wherein said passive electro-magnetic target comprises a first portion incorporating said planar surface and a second portion with a lower thickness than said first portion; whereby the second portion incorporates an insulating aperture.
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公开(公告)号：US20170292858A1
公开(公告)日：2017-10-12
申请号：US15528570
申请日：2015-01-29
申请人： Mark Anthony HOWARD , Darran KREIT
发明人： Mark Anthony HOWARD , Darran KREIT
CPC分类号： G01D5/2073 , B62D1/185 , G01B7/023 , G01D5/204
摘要： An inductive position detector with a first and second body, at least one of said bodies being displaceable relative to the other along a measurement path wherein said first body comprises one or more antenna windings forming a first arrangement of windings and said second body comprises a passive resonant circuit incorporating one or more target windings in series with a capacitor; said circuit covering at least in part said first arrangement; characterized in that said first body comprises an additional winding arrangement disposed along at least part of said measurement path; said additional winding arrangement being spaced from said first arrangement of windings; and said second body comprises an additional winding arrangement covering at least in part said additional winding arrangement of said first body.
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公开(公告)号：US08278945B2
公开(公告)日：2012-10-02
申请号：US12739949
申请日：2008-10-24
申请人： Mark Anthony Howard , Darran Kreit
发明人： Mark Anthony Howard , Darran Kreit
CPC分类号： G01D5/2073
摘要： An inductive detector arranged to measure position along a axis comprising: a transmit winding; a receive winding; a passive circuit comprising a winding in electrical series with a capacitor; wherein: the mutual inductance between the transmit winding and the receive winding is a function of the relative displacement of the passive circuit along the measurement axis; a first portion of one of the windings is wound on a first pitch and a second portion of the same winding is wound on a second pitch whose extent is greater than the first pitch.
摘要翻译： 一种电感检测器，被布置成测量沿着轴的位置，包括：发射绕组; 接收线; 无源电路，包括与电容器电串联的绕组; 其中：发射绕组和接收绕组之间的互感是被动电路沿测量轴的相对位移的函数; 绕组中的一个的第一部分缠绕在第一节距上，并且相同绕组的第二部分缠绕在第二节距上，该第二节距的范围大于第一节距。
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公开(公告)号：US07944215B2
公开(公告)日：2011-05-17
申请号：US11721724
申请日：2005-12-14
申请人： Mark Anthony Howard , Darran Kreit
发明人： Mark Anthony Howard , Darran Kreit
IPC分类号： G01R27/28
CPC分类号： G01D5/2013 , G01D5/202
摘要： A device for measuring the position of a first body relative to a second body comprising: a first body which further comprises an electrical intermediate device; a second body which further comprises at least two inductors energised with an alternating current and at least one of which is formed by a planar spiral winding on a printed circuit board normal to the measurement axis and attached to the second body; arranged such that displacement of the electrical intermediate device causes a change in inductance of the planar spiral winding and whereby measurement of the ratio of the inductances indicates the position of the first body relative to the second.
摘要翻译： 一种用于测量第一主体相对于第二主体的位置的装置，包括：第一主体，其还包括电中间装置; 第二主体还包括至少两个由交流电激励的电感器，并且其中的至少一个电感器由垂直于测量轴线的印刷电路板上的平面螺旋绕组形成并附接到第二主体; 布置成使得电中间装置的位移导致平面螺旋绕组的电感的变化，由此电感比的测量指示第一主体相对于第二主体的位置。
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公开(公告)号：US20090261844A1
公开(公告)日：2009-10-22
申请号：US11721905
申请日：2005-12-15
申请人： Mark Anthony Howard , Darran Kreit
发明人： Mark Anthony Howard , Darran Kreit
CPC分类号： G01D5/2026
摘要： A low cost, high performance method and apparatus for identifying electrical intermediate devices and measuring their position relative to an antenna is provided. The technique preferably uses electrical intermediate devices co-operating with AC energized antennae. The resulting electrical data can be used in a wide variety of user interfaces, identification systems and sensors to measure, for example, rotary position, linear position, weight, level, torque, vibration, turbidity and flow. The invention includes means for the contactless transmission of data and power to general instrumentation.
摘要翻译： 提供了一种用于识别电气中间装置并相对于天线测量它们的位置的低成本，高性能的方法和装置。 该技术优选地使用与AC通电天线协同工作的电中间设备。 所得到的电气数据可以用于各种用户界面，识别系统和传感器中，以测量例如旋转位置，线性位置，重量，水平，扭矩，振动，浊度和流量。 本发明包括用于将数据和电力非接触式传输到通用仪器的装置。
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